Runtime: fix format

jmid · Apr 27, 2022 · a87f156 · a87f156
1 parent 5b6201c
commit a87f156
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diff --git a/CHANGES.md b/CHANGES.md
@@ -10,6 +10,7 @@
 ## Bug fixes
 * Compiler: fix rewriter bug in share_constant (fix #1247)
 * Runtime: fix Out_channel.is_buffered, set_buffered
+* Runtime: fix format wrt alternative
 
 # 4.0.0 (2021-01-24) - Lille
 ## Features/Changes

diff --git a/runtime/format.js b/runtime/format.js
@@ -93,7 +93,7 @@ function caml_finish_formatting(f, rawbuffer) {
     else if (f.signstyle != '-') buffer += f.signstyle;
   }
   if (f.alternate && f.base == 8) buffer += '0';
-  if (f.alternate && f.base == 16) buffer += "0x";
+  if (f.alternate && f.base == 16) buffer += f.uppercase?"0X":"0x";
   if (f.justify == '+' && f.filler == '0')
     for (var i = len; i < f.width; i++) buffer += '0';
   buffer += rawbuffer;